unwatering borehole
1водопонизительная скважина — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN unwatering borehole …
2Dewatering — (pronounced de water ing) is the removal of water from solid material or soil by wet classification, centrifugation, filtration, or similar solid liquid separation processes, such as removal of residual liquid from a filter cake by a filter press …